Average Electric Bill in Connecticut

The average electric bill in Connecticut, and why no one actually pays it

The average Connecticut residential electric bill is $190.22 a month, built from an average price of 27.37 cents per kilowatt-hour (May 2026) and average consumption of 695 kWh a month. Set that against the national picture: 18.44 cents per kWh, 863 kWh, and $159.14 a month. Connecticut pays roughly 48 percent more for each unit of electricity and uses about 19 percent less of it, and the two effects do not cancel. The bill lands about 20 percent above the national figure.

That $190.22 is an arithmetic mean across every residential account in the state, and it describes almost nobody. It blends a one-bedroom condo in Stamford with gas heat and a window air conditioner against a large colonial in Litchfield County with a well pump, a septic pump, and an electric hot tub, and a shoreline cottage dark from November to April against a year-round house running dehumidifiers all summer.

It also flattens the calendar. Connecticut bills typically peak twice: in July and August when air conditioning runs, and again in January and February when the days are short and the furnace blower and circulator pumps run constantly. A household averaging 695 kWh may see 500 in a mild May and 1,000 in a hot August.

If you want a number that means something for your house rather than for the state, start from your own kilowatt-hours. Pull twelve months of usage off your bills or your online account, and run them through the electricity bill calculator at Connecticut's rate. The result will tell you far more than any state average can.

Why Connecticut electricity costs 27.37 cents per kilowatt-hour

Your bill splits into two halves that behave differently. Supply is the cost of the electricity itself. Delivery is what you pay the wires company to move it to your meter, plus every policy cost the state recovers through the electric bill. You can change who provides the first, never the second, and in Connecticut the second half has been growing. The supply versus delivery guide shows how the two appear on a statement.

On the supply side, Connecticut is captive to New England's wholesale market, and that market has a structural problem. Natural gas plants usually set the regional clearing price, meaning the last plant needed to meet demand is typically gas-fired and its cost determines what everyone gets paid. In summer that is unremarkable. In a January cold snap it is expensive, because the pipelines running into New England were sized for a region that heats with gas as well as generates with it, and heating customers hold the firm capacity. When the pipes are full, generators bid on liquefied natural gas and oil, and the price of power follows. Connecticut's substantial nuclear output moderates the average but does not set the margin.

The delivery side carries its own weight. Connecticut is small, densely populated, and heavily wooded, which is an expensive combination: the same trees that make the state pleasant bring down conductors in every nor'easter and every tropical remnant that tracks up the coast. Vegetation management and storm hardening are permanent line items. Layered on top are the public benefits charges, which fund efficiency programs, low-income arrearage relief, and long-term contracts the state signed with generators. Those are policy decisions recovered per kilowatt-hour, and they are one reason a Connecticut bill can rise in a month when nothing about your household changed.

Why the average Connecticut home uses only 695 kWh a month

Connecticut's consumption is well below the national average, and the reason is almost entirely about what heats the house. A large share of Connecticut homes burn fuel oil, and most of the rest burn natural gas or propane. In a state with a genuine winter, the single largest energy load in the building is therefore not on the electric meter at all. It shows up as a delivery from an oil truck or a therm charge from the gas company. Compare that with the Southeast, where heat pumps and electric resistance strip heat put the entire heating season on the electric bill, and the usage gap explains itself.

The cooling season is short and the housing stock works against big air conditioning loads. Connecticut summers are hot but brief, perhaps three months of serious demand rather than the seven or eight a Gulf Coast household faces. Much of the state's housing predates central air, and many homes still cool with window and through-wall units used room by room. The dense triple-deckers and rowhouse-scale multifamily in Bridgeport, New Haven, Hartford, and Waterbury share walls, which cuts heat loss and heat gain on every shared surface.

The important consequence is a trap people fall into constantly. Low kilowatt-hours do not mean a low bill. Each kWh you remove in Connecticut is worth nearly half again what it is worth nationally, so the efficiency case here is strong, but the absolute savings are capped by a baseline that is already lean. Households chasing large reductions usually find them in electric water heating, dehumidifiers, well and pool pumps, and a second refrigerator in the garage rather than in lighting.

What you can actually control: shopping for supply in Connecticut

Connecticut is a retail choice state. Customers of Eversource and United Illuminating can buy their generation supply from a competitive supplier instead of taking the utility's default, which is called standard service. The utility still delivers the power, still reads the meter, still restores your outage, and still bills you. Only the supply portion is in play, which is the first thing to internalise: switching cannot touch delivery, and delivery is a large and growing share of a Connecticut bill.

Standard service is not a bad benchmark. It is procured in advance by the utility under regulator supervision and reset on a published schedule, which means it moves in steps rather than drifting. Any supplier offer should be compared against it on the same basis, and there is only one honest comparison: the all-in price per kilowatt-hour, including every recurring fee, over the full contract term.

The traps are consistent and worth naming plainly:

• Teaser rates quoted at benchmark usage. Marketing rates are often illustrated at 750 or 1,000 kWh a month. The Connecticut average is 695. Any plan with a fixed monthly charge produces a higher effective per-kWh price at 695 kWh than the advertised figure implies.
• Introductory pricing that expires into a variable rate. A low fixed price for a few months followed by a rate the supplier sets at will is the single most reliable way for a household to end up paying more than standard service.
• Monthly service fees and early termination fees. A fee of a few dollars a month is meaningful when spread over 695 kWh, and a termination fee removes your ability to leave when the price turns.
• Enrollment at the door or by phone. Nothing about a competitive supply contract requires urgency. Read the terms in writing before agreeing to anything.

Run the arithmetic before signing. At 695 kWh a month, beating standard service by two cents per kWh saves about $14 a month, roughly $167 a year: real money, and small enough that one monthly fee or one month on a post-teaser variable rate erases it. Our overview of deregulated electricity states covers how these markets differ.

The utilities that serve Connecticut, and what differs between them

Two investor-owned utilities distribute nearly all of Connecticut's electricity, and a small group of municipal systems covers the rest.

Eversource Energy serves the large majority of Connecticut towns, running from the New York border to Rhode Island and covering most of the rural and suburban interior. It is investor-owned and state-regulated, earning an authorised return on the distribution assets it builds, and its territory is the more tree-exposed of the two, which shapes both its reliability record and its vegetation budget. Eversource also distributes natural gas and water in parts of the region, so many households receive more than one bill from the same parent company.

United Illuminating, part of Avangrid, serves the coastal southwest: Bridgeport, New Haven, and the towns between them. It is a compact, dense, heavily urban territory with a very different cost structure from Eversource's. Shorter feeders and more underground and rear-lot construction in the city cores change both the failure modes and the repair economics.

A handful of Connecticut towns are served by municipal electric utilities instead. Those systems are community-owned and governed locally rather than by the state regulator, and their customers are generally not part of the retail choice market. If you live in one, supplier solicitations do not apply to you, and your lever is the local board rather than a competitive contract.

Ownership type determines who decides your rates: a state regulator for the investor-owned utilities, a local body for the municipals. Neither company sets the wholesale price of power.

The part of a Connecticut bill you cannot shop away

Connecticut deserves one warning that does not apply the same way in every retail choice state. A meaningful and rising portion of the bill is not the price of electricity at all. It is policy cost, recovered on the delivery side per kilowatt-hour: efficiency and conservation programs, arrearage forgiveness for customers who fell behind, and the cost of long-term power contracts the state entered into on behalf of ratepayers. These arrive as public benefits or similar line items, and they have repeatedly moved by enough to be noticed on a monthly statement.

Two consequences follow. A household that shops aggressively and lands a genuinely good supply price can still watch its total bill rise, because the half it optimised is not the half that moved. And the arena for changing the delivery half is regulatory rather than commercial: rate cases and legislative proceedings, not shopping.

The other Connecticut-specific rhythm is the standard service reset. Because the default supply rate changes on a schedule rather than continuously, a large share of the state sees its supply price step on the same day. That produces a wave of bill shock unrelated to weather, and it is the moment when supplier marketing arrives in volume. It is also the worst moment to sign, because the comparison is being drawn against a rate that has just moved and may move back.

If your bill has jumped and you cannot see why, work through the statement line by line before assuming the answer is your usage. Our guide to why an electric bill is so high covers the usual culprits in order of size.

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